options: Make sure option types are treated as unsigned

options: Make sure option types are treated as unsigned

verify_permissions already expects them to be unsigned,
make sure they are to avoid spurious conversion warnings.

Change-Id: I1d27cb81d32058e40147e1d6dcd12df7f6cb2b30
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
Acked-by: Arne Schwabe <arne-openvpn@rfc2549.org>
Message-Id: <20250826183941.21338-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg32685.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>